Security Bulletin: TSM UNIX and Linux Client Local Buffer Overrun (CVE-2013-2964)

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Abstract

There is a local buffer overrun vulnerability in the IBM Tivoli Storage Manager (TSM) UNIX and Linux clients

Content

VULNERABILITY DETAILS:

CVE ID: CVE-2013-2964

DESCRIPTION:
A potential local buffer overrun vulnerability in the TSM UNIX/Linux clients allows a local user to gain unauthorized root access to the machine.

CVSS:
CVSS Base Score: 7.2
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/83760 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/AU:N/C:C/I:C/A:C)

AFFECTED TSM CLIENT RELEASE LEVELS
· 6.3.0 through 6.3.0.17
· 6.2.0 through 6.2.4.7
· 6.1.0 through 6.1.5.4
· 5.5.0 through 5.5.4.0
· 5.4 and prior unsupported releases
· Note: the 6.4 release is unaffected

REMEDIATION:
The recommended solution is to apply the fixes as soon as practical. Please see below for information on the fixes available and the links where the fixes can be downloaded.

FIXES:

TSM Client Release Platforms APAR Remediation/First Fix
6.3 All UNIX and Linux IC96517 6.3.1: AIX, HP-UX Itanium, Linux x86_64, Linux PPC, Linux zSeries, Macintosh, Solaris SPARC
http://www.ibm.com/support/docview.wss?uid=swg24034109
6.3.1 packaged with TSM for Space Management: AIX, Linux x86_64
http://www.ibm.com/support/docview.wss?uid=swg24034114
6.2 All UNIX and Linux IC96517 6.2.5: AIX, HP-UX Itanium, Linux x86, Linux PPC, Linux zSeries, Macintosh, Solaris SPARC, Solaris x86 http://www.ibm.com/support/docview.wss?uid=swg24034630
6.1 All UNIX and Linux IC96517 6.1.5.5: AIX, HP-UX Itanium, Linux x86, Linux PPC, Linux zSeries, Macintosh, Solaris SPARC, Solaris x86, OS/400 API http://www.ibm.com/support/docview.wss?uid=swg24031758
5.5 All UNIX and Linux IC96517 5.5.4.1: AIX, HP-UX Itanium, HP-UX PA-RISC, Linux x86, Linux PPC, Linux zSeries, Linux Itanium, Macintosh, Solaris SPARC, Solaris x86
Note: For OS/400 API, use the Workaround specified below, or upgrade to the 6.1 fixing level
http://www.ibm.com/support/docview.wss?uid=swg24035826
5.4 and prior (unsupported) All UNIX and Linux IBM recommends using the Workaround specified below, or upgrading to a fixed, supported release
Note: Release 6.4 is unaffected

Workaround(s) & MITIGATION(s):
Workaround: If non-root users do not need to access the TSM client, remove the dsmtca executable from the client installation directory.

Important note: IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

REFERENCES:
· Complete CVSS Guide
· On-line Calculator V2

RELATED INFORMATION:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

ACKNOWLEDGEMENT: None

CHANGE HISTORY:
· 1 October 2013: Original copy published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash.


Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.


Cross reference information
Segment Product Component Platform Version Edition
Storage Management Tivoli Storage Manager Extended Edition Client AIX, HP-UX, Linux, Solaris, Mac OS, OS/400 5.5, 6.1, 6.2, 6.3
Storage Management IBM System Storage Archive Manager AIX, HP-UX, Linux, Solaris, Mac OS, OS/400 6.2, 6.1.2, 6.3

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Document information


More support for:

Tivoli Storage Manager
Client

Software version:

5.5, 6.1, 6.2, 6.3

Operating system(s):

AIX, HP-UX, Linux, Macintosh, OS/400, Solaris

Reference #:

1651120

Modified date:

2013-10-01

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